nl.vpro.jackson2

Class JsonArrayIterator<T>

java.lang.Object

com.google.common.collect.UnmodifiableIterator<T>

nl.vpro.jackson2.JsonArrayIterator<T>

All Implemented Interfaces:

com.google.common.collect.PeekingIterator<T>, AutoCloseable, Iterator<T>, CloseableIterator<T>, CountedIterator<T>

public class JsonArrayIterator<T>
extends com.google.common.collect.UnmodifiableIterator<T>
implements CloseableIterator<T>, com.google.common.collect.PeekingIterator<T>, CountedIterator<T>

Since:

1.0

Author:

Michiel Meeuwissen

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JsonArrayIterator.Builder<T>
static class	JsonArrayIterator.ValueReadException

Nested classes/interfaces inherited from interface nl.vpro.util.CloseableIterator

CloseableIterator.WrappedCloseableIterator<S>, CloseableIterator.WrappedPeekingCloseableIterator<S>

Constructor Summary

Constructors

Constructor and Description
JsonArrayIterator(InputStream inputStream, BiFunction<com.fasterxml.jackson.core.JsonParser,com.fasterxml.jackson.core.TreeNode,T> valueCreator)
JsonArrayIterator(InputStream inputStream, Class<T> clazz)
JsonArrayIterator(InputStream inputStream, Class<T> clazz, Runnable callback)

Method Summary

Modifier and Type	Method and Description
protected void	callback()
void	close()
void	finalize()
protected void	findNext()
Long	getCount()
@NonNull Optional<Long>	getSize()
@NonNull Optional<Long>	getTotalSize()
boolean	hasNext()
T	next()
T	peek()
static <T> void	write(CountedIterator<T> iterator, OutputStream out, Function<T,Void> logging) Write the entire stream to an output stream
void	write(OutputStream out, Consumer<T> logging) Write the entire stream to an output stream
void	write(OutputStream out, Function<T,Void> logging) Deprecated. Use write(OutputStream, Consumer)
static <T> void	writeArray(CountedIterator<T> iterator, OutputStream out, Function<T,Void> logging) Write the entire stream to an output stream
void	writeArray(OutputStream out, Consumer<T> logging)
static <T> void	writeObjects(CountedIterator<T> iterator, com.fasterxml.jackson.core.JsonGenerator jg, Function<T,Void> logging) Write the entire stream as an array to jsonGenerator

Methods inherited from class com.google.common.collect.UnmodifiableIterator

remove

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.common.collect.PeekingIterator

remove

Methods inherited from interface nl.vpro.util.CountedIterator

of, of, of, of, peeking, peeking, spliterator, stream

Methods inherited from interface nl.vpro.util.CloseableIterator

closeQuietly, empty, of, peeking

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

JsonArrayIterator

public JsonArrayIterator(InputStream inputStream,
                         Class<T> clazz)
                  throws IOException

Throws:

IOException

JsonArrayIterator

public JsonArrayIterator(InputStream inputStream,
                         Class<T> clazz,
                         Runnable callback)
                  throws IOException

Throws:

IOException

JsonArrayIterator

public JsonArrayIterator(InputStream inputStream,
                         BiFunction<com.fasterxml.jackson.core.JsonParser,com.fasterxml.jackson.core.TreeNode,T> valueCreator)
                  throws IOException

Throws:

IOException

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<T>

peek

public T peek()

Specified by:

peek in interface com.google.common.collect.PeekingIterator<T>

next

public T next()

Specified by:

next in interface com.google.common.collect.PeekingIterator<T>

Specified by:

next in interface Iterator<T>

getCount

public Long getCount()

Specified by:

getCount in interface CountedIterator<T>

findNext

protected void findNext()

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CountedIterator<T>

Throws:

IOException

finalize

public void finalize()

Overrides:

finalize in class Object

callback

protected void callback()

write

public void write(OutputStream out,
                  Consumer<T> logging)
           throws IOException

Write the entire stream to an output stream

Throws:

IOException

writeArray

public void writeArray(OutputStream out,
                       Consumer<T> logging)
                throws IOException

Throws:

IOException

write

public void write(OutputStream out,
                  Function<T,Void> logging)
           throws IOException

Deprecated. Use write(OutputStream, Consumer)

Write the entire stream to an output stream

Throws:

IOException

write

public static <T> void write(CountedIterator<T> iterator,
                             OutputStream out,
                             Function<T,Void> logging)
                      throws IOException

Write the entire stream to an output stream

Throws:

IOException

writeArray

public static <T> void writeArray(CountedIterator<T> iterator,
                                  OutputStream out,
                                  Function<T,Void> logging)
                           throws IOException

Write the entire stream to an output stream

Throws:

IOException

writeObjects

public static <T> void writeObjects(CountedIterator<T> iterator,
                                    com.fasterxml.jackson.core.JsonGenerator jg,
                                    Function<T,Void> logging)
                             throws IOException

Write the entire stream as an array to jsonGenerator

Throws:

IOException

getSize

public @NonNull Optional<Long> getSize()

Specified by:

getSize in interface CountedIterator<T>

getTotalSize

public @NonNull Optional<Long> getTotalSize()

Specified by:

getTotalSize in interface CountedIterator<T>